Please Note: This is NOT an official Wizards of the Coast precon deck
The problem with Ancient Tomb is that two damage isn't a lot, especially in Commander where you start with 40 life
The card draw clause pretty much guarantees that youll never run out of auras to play (assuming youre building your deck with lots of them), and the +2/+2 clause means that youll have a giant creature to attack your opponent with
A lot has changed in that time, back when people scoffed at Arclight remaining a top deck after Expressive Iterations ban and when mono-green was a force in the format that few could answer
If you prefer your blue decks to involve the combat step, there are plenty of card draw engines to make sure the gas keeps flowing
This card will be huge in almost all control lists in standard, but it may also find its way into some midrange lists that use white as well, including Mono White, Azorius, and Esper archetypes